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Cognitive neuropsychology

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https://www.readbyqxmd.com/read/28741437/traumatic-brain-injury-in-a-community-based-cohort-of-homeless-and-vulnerably-housed-individuals
#1
Toby Schmitt, Allen Thornton, Iris Rawtaer, Alasdair Barr, Kristina Gicas, Donna Lang, Talia Vertinsky, Alexander Rauscher, Ric Procyshyn, Tari Buchanan, Alex Cheng, Sarah Mackay, Olga Leonova, Verena Langheimer, Thalia Field, Manraj K S Heran, Fidel Vila-Rodriguez, Tiffany-Anne O'Connor, William MacEwan, William Honer, William Panenka
We characterized traumatic brain injury (TBI) and studied its associations with mental and physical health in a community cohort of homeless and vulnerably-housed individuals. METHODS: Detailed mental and physical health structured interviews, neuropsychological testing, and multimodal MRI were performed on 283 participants. Two traumatic brain injury (TBI) participant groups were defined for primary analyses: those with a self-reported history of TBI and those with MRI evidence of TBI...
July 25, 2017: Journal of Neurotrauma
https://www.readbyqxmd.com/read/28741045/erratum-to-assessment-of-individual-cognitive-changes-after-deep-brain-stimulation-surgery-in-parkinson-s-disease-using-the-neuropsychological-test-battery-vienna-short-version
#2
Thomas Foki, Daniela Hitzl, Walter Pirker, Klaus Novak, Gisela Pusswald, Eduard Auff, Johann Lehrner
No abstract text is available yet for this article.
July 24, 2017: Wiener Klinische Wochenschrift
https://www.readbyqxmd.com/read/28740824/associations-between-daily-living-skills-cognition-and-real-world-functioning-across-stages-of-schizophrenia-a-study-with-the-schizophrenia-cognition-rating-scale-japanese-version
#3
Yuko Higuchi, Tomiki Sumiyoshi, Tomonori Seo, Motomu Suga, Tsutomu Takahashi, Shimako Nishiyama, Yuko Komori, Kiyoto Kasai, Michio Suzuki
Cognitive function is impaired in patients with schizophrenia-spectrum disorders, even in their prodromal stages. Specifically, the assessment of cognitive abilities related to daily-living functioning, or functional capacity, is important to predict long-term outcome. In this study, we sought to determine the validity of the Schizophrenia Cognition Rating Scale (SCoRS) Japanese version, an interview-based measure of cognition relevant to functional capacity (i.e. co-primary measure). For this purpose, we examined the relationship of SCoRS scores with performance on the Brief Assessment of Cognition in Schizophrenia (BACS) Japanese version, a standard neuropsychological test battery, and the Social and Occupational Functioning Assessment Scale (SOFAS), an interview-based social function scale...
March 2017: Schizophrenia Research. Cognition
https://www.readbyqxmd.com/read/28740821/validating-the-construct-of-aberrant-salience-in-schizophrenia-behavioral-evidence-for-an-automatic-process
#4
Teresa Katthagen, Felix Dammering, Norbert Kathmann, Jakob Kaminski, Henrik Walter, Andreas Heinz, Florian Schlagenhauf
Suspecting significance behind ordinary events is a common feature in psychosis and it is assumed to occur due to aberrant salience attribution. The Salience Attribution Test (SAT; Roiser et al., 2009) measures aberrant salience as a bias towards one out of two equally reinforced cue features as opposed to adaptive salience towards features indicating high reinforcement. This is the first study to validate the latent constructs involved in salience attribution in patients. Forty-nine schizophrenia patients and forty-four healthy individuals completed the SAT, a novel implicit salience paradigm (ISP), a reversal learning task and a neuropsychological test battery...
December 2016: Schizophrenia Research. Cognition
https://www.readbyqxmd.com/read/28740814/validation-of-the-cognitively-normal-range-and-below-normal-range-subtypes-in-chronically-hospitalized-patients-with-schizophrenia
#5
Shih-Kuang Chiang, Ching-Huan Ni, Chih-Pu Tsai, Keng-Chang Lin
BACKGROUND: Many studies have found a substantial minority of patients whose performance puts them within the normal range of neuropsychological functioning. Recently, a study has seen the delineation of two neurocognitive subtypes of schizophrenia -'cognitively normal range' (CNR) and 'below normal range' (BNR) - based on neurocognitive performance across multiple domains. METHODS: The participants were from two studies that collected neurocognitive, psychopathology and social function data between 2008 and 2015...
September 2016: Schizophrenia Research. Cognition
https://www.readbyqxmd.com/read/28740470/manual-dexterity-in-schizophrenia-a-neglected-clinical-marker
#6
Maxime Térémetz, Loïc Carment, Lindsay Brénugat-Herne, Marta Croca, Jean-Pierre Bleton, Marie-Odile Krebs, Marc A Maier, Isabelle Amado, Påvel G Lindberg
Impaired manual dexterity is commonly observed in schizophrenia. However, a quantitative description of key sensorimotor components contributing to impaired dexterity is lacking. Whether the key components of dexterity are differentially affected and how they relate to clinical characteristics also remains unclear. We quantified the degree of dexterity in 35 stabilized patients with schizophrenia and in 20 age-matched control subjects using four visuomotor tasks: (i) force tracking to quantify visuomotor precision, (ii) sequential finger tapping to measure motor sequence recall, (iii) single-finger tapping to assess temporal regularity, and (iv) multi-finger tapping to measure independence of finger movements...
2017: Frontiers in Psychiatry
https://www.readbyqxmd.com/read/28738975/the-effect-of-cranioplasty-in-cognitive-and-functional-improvement-experience-of-post-traumatic-brain-injury-inpatient-rehabilitation
#7
Jyong-Huei Su, Yu-Hsin Wu, Nai-Wen Guo, Ching-Fen Huang, Cyuan-Fong Li, Chia-Hsin Chen, Mao-Hsiung Huang
To investigate the effect of cranioplasty on rehabilitation of post-traumatic brain injury (TBI) patients, 37 patients with TBI were arranged by retrospectively assessment study. Those TBI patients receiving in-hospital rehabilitation in the Department of Rehabilitation in a medical center of South Taiwan from 2010 to 2015 were assigned into two groups: A and B. All patients entered the multidisciplinary holistic in-patient rehabilitation training for about 1 month. Patients in Group A received decompressive craniectomy (DC), patients in Group B received DC and cranioplasty...
July 2017: Kaohsiung Journal of Medical Sciences
https://www.readbyqxmd.com/read/28738314/factors-associated-with-cognitive-impairment-in-a-cohort-of-older-homeless-adults-results-from-the-hope-home-study
#8
Emily Hurstak, Julene K Johnson, Lina Tieu, David Guzman, Claudia Ponath, Christopher T Lee, Christina Weyer Jamora, Margot Kushel
BACKGROUND: We evaluated cognitive function and factors associated with cognitive impairment in a cohort of older homeless adults. We hypothesized that substance use and a history of traumatic brain injury would be associated with cognitive impairment. METHODS: We recruited 350 homeless individuals aged ≥50 years using population-based sampling and conducted structured interviews and neuropsychological testing. We evaluated alcohol use with the Alcohol Use Disorder Identification Test, defining high-severity alcohol use as a total score ≥16 or ≥4 on the alcohol dependency sub-scale...
July 4, 2017: Drug and Alcohol Dependence
https://www.readbyqxmd.com/read/28738088/virtual-daily-living-test-to-screen-for-mild-cognitive-impairment-using-kinematic-movement-analysis
#9
Kyoungwon Seo, Jae-Kwan Kim, Dong Hoon Oh, Hokyoung Ryu, Hojin Choi
Questionnaires or computer-based tests for assessing activities of daily living are well-known approaches to screen for mild cognitive impairment (MCI). However, questionnaires are subjective and computerized tests only collect simple performance data with conventional input devices such as a mouse and keyboard. This study explored the validity and discriminative power of a virtual daily living test as a new diagnostic approach to assess MCI. Twenty-two healthy controls and 20 patients with MCI were recruited...
2017: PloS One
https://www.readbyqxmd.com/read/28736089/long-term-cognitive-impairment-and-delirium-in-intensive-care-a-prospective-cohort-study
#10
Marion L Mitchell, David H K Shum, Gabor Mihala, Jenny E Murfield, Leanne M Aitken
BACKGROUND: Whilst there is a growing body of research exploring the effect of delirium in intensive care unit (ICU) patients, the relationship between patient delirium and long-term cognitive impairment has not been investigated in settings where low rates of delirium have been reported. OBJECTIVES: To assess the association between the incidence of delirium, duration of mechanical ventilation and long term cognitive impairment in general ICU patients. METHODS: Prospective cohort study conducted in a tertiary level ICU in Queensland, Australia...
July 20, 2017: Australian Critical Care: Official Journal of the Confederation of Australian Critical Care Nurses
https://www.readbyqxmd.com/read/28735921/frontal-dysfunction-in-patients-with-restless-legs-syndrome-performing-a-visual-oddball-task-an-event-related-potential-source-imaging-study
#11
Kwang Su Cha, Jeong Woo Choi, Ki-Young Jung, Kyung Hwan Kim
Restless legs syndrome (RLS) is a sensorimotor neurological disorder that is accompanied by the compelling urge to move one's legs, and unpleasant, disturbing sensations in the legs. Several neuropsychological studies have shown that RLS is associated with deficits in cognitive functions, such as attention, working memory, and frontal executive function, presumably due to abnormal frontal activities. However, the mechanism underlying the cognitive deficits in RLS patients is mostly unknown. To investigate the cortical origin of cognitive dysfunction in RLS, we analyzed the P2 and P3 event-related potential (ERP) components evoked by a visual oddball task using distributed cortical source localization via low-resolution brain electromagnetic tomography (LORETA) algorithm...
August 2017: Sleep Medicine
https://www.readbyqxmd.com/read/28734121/the-impact-of-chronic-psychiatric-disorders-on-cognitive-decline
#12
R Villeneuve, C Blanchard, L Rullier, N Raoux, V Bergua, J-F Dartigues, K Pérès, H Amieva
OBJECTIVES: Based on seemingly contradictory results in the existing literature, the objective of our study was to investigate whether older individuals suffering from chronic psychiatric disorders show a more rapid decline in cognitive performances than their non-psychiatric counterparts, or if the pattern of decline through older age is similar in both groups. METHOD: A total of 820 older adults were selected from the Ageing Multidisciplinary Investigation (AMI) cohort study, which studies health-related issues of people over 65 years old living in rural areas...
July 22, 2017: Acta Psychiatrica Scandinavica
https://www.readbyqxmd.com/read/28732820/the-impact-of-cognitive-impairment-on-self-management-in-chronic-obstructive-pulmonary-disease-a-systematic-review
#13
REVIEW
Chelsea Baird, Janaka Lovell, Marilyn Johnson, Kerrie Shiell, Joseph E Ibrahim
OBJECTIVE: To determine the characteristics of persons with cognitive impairment being able to self-manage in chronic obstructive pulmonary disease (COPD). METHODS: In accordance with the Preferred Reporting Items for Systematic Reviews and Meta-Analyses (PRISMA) guidance this systematic review examined all studies in English from 1st January 2000 to 20 February 2016, describing the relationship between cognition and COPD self-management domains in older community dwelling persons with dementia or cognitive impairment...
August 2017: Respiratory Medicine
https://www.readbyqxmd.com/read/28731870/the-association-of-cognitive-reserve-in-chronic-phase-functional-and-neuropsychological-outcomes-following-traumatic-brain-injury
#14
Jacob B Leary, Grace Y Kim, Catherine L Bradley, Uzma Z Hussain, Maryanne Sacco, Martha Bernad, John Collins, John Dsurney, Leighton Chan
OBJECTIVE: Examine the association of cognitive reserve (CR) factors (estimated premorbid intelligence quotient [IQ], years of education, and occupational attainment) and traumatic brain injury (TBI) severity with functional and neuropsychological outcomes 1 to 5 years following TBI. PARTICIPANTS: Patients with mild (N = 58), moderate (N = 25), or severe (N = 17) TBI. MAIN MEASURES: Cognitive reserve factors (estimated premorbid IQ, years of education, and occupational attainment); neuropsychological test battery; Glasgow Outcome Scale-Extended; Short Form-36 Health Survey...
July 20, 2017: Journal of Head Trauma Rehabilitation
https://www.readbyqxmd.com/read/28731452/temporal-order-of-alzheimer-s-disease-related-cognitive-marker-changes-in-blsa-and-wrap-longitudinal-studies
#15
Murat Bilgel, Rebecca L Koscik, Yang An, Jerry L Prince, Susan M Resnick, Sterling C Johnson, Bruno M Jedynak
Investigation of the temporal trajectories of currently used neuropsychological tests is critical to identifying earliest changing measures on the path to dementia due to Alzheimer's disease (AD). We used the Progression Score (PS) method to characterize the temporal trajectories of measures of verbal memory, executive function, attention, processing speed, language, and mental status using data spanning normal cognition, mild cognitive impairment, and AD from 1,661 participants with a total of 7,839 visits (age at last visit 77...
July 18, 2017: Journal of Alzheimer's Disease: JAD
https://www.readbyqxmd.com/read/28731439/antihypertensive-treatment-is-associated-with-mri-derived-markers-of-neurodegeneration-and-impaired-cognition-a-propensity-weighted-cohort-study
#16
Jodi D Edwards, Joel Ramirez, Brandy L Callahan, Sheldon W Tobe, Paul Oh, Courtney Berezuk, Krista Lanctôt, Walter Swardfager, Sean Nestor, Alexander Kiss, Stephen Strother, Sandra E Black
BACKGROUND: Hypertension is an important risk factor for Alzheimer's disease (AD) and cerebral small vessel disease. Angiotensin converting enzyme inhibitors (ACEIs) and angiotensin receptor blockers (ARBs) are common anti-hypertensive treatments, but have differential effects on cortical amyloid. OBJECTIVE: The objective of this study was to evaluate associations between anti-hypertensive treatment, brain volume, and cognition, using a propensity-weighted analysis to account for confounding by indication...
July 17, 2017: Journal of Alzheimer's Disease: JAD
https://www.readbyqxmd.com/read/28731436/impaired-processing-of-serial-order-determines-working-memory-impairments-in-alzheimer-s-disease
#17
Maya De Belder, Patrick Santens, Anne Sieben, Wim Fias
BACKGROUND: Working memory (WM) problems are commonly observed in Alzheimer's disease (AD), but the affected mechanisms leading to impaired WM are still insufficiently understood. The ability to efficiently process serial order in WM has been demonstrated to be fundamental to fluent daily life functioning. The decreased capability to mentally process serial position in WM has been put forward as the underlying explanation for generally compromised WM performance. OBJECTIVE: Determine which mechanisms, such as order processing, are responsible for deficient WM functioning in AD...
July 17, 2017: Journal of Alzheimer's Disease: JAD
https://www.readbyqxmd.com/read/28731429/severity-of-depression-impacts-imminent-conversion-from-mild-cognitive-impairment-to-alzheimer-s-disease
#18
Michaela Defrancesco, Josef Marksteiner, Georg Kemmler, Walter Wolfgang Fleischhacker, Imrich Blasko, Eberhard A Deisenhammer
BACKGROUND: Mild cognitive impairment (MCI) has been suggested to represent a prodromal stage of dementia and to confer a high risk for conversion to dementia Alzheimer's type (DAT). OBJECTIVES: In this study, we examined the predictive value of depressive symptoms and neuropsychological variables on conversion of MCI to DAT. METHODS: Neuropsychological and clinical follow-up data of 260 MCI patients seen at the Psychiatric Memory Clinic of the Medical University of Innsbruck between 2005 and 2015 were analyzed retrospectively...
July 19, 2017: Journal of Alzheimer's Disease: JAD
https://www.readbyqxmd.com/read/28731266/a-randomized-double-blind-placebo-controlled-crossover-study-of-the-effects-of-levetiracetam-on-cognition-mood-and-balance-in-healthy-older-adults
#19
Mike R Schoenberg, Ruba S Rum, Katie E Osborn, Mary Ann Werz
OBJECTIVE: The cognitive and mood effects of levetiracetam (LEV) in older adults are not known. This study compared the cognitive and mood effects of LEV to placebo in healthy older adults. METHODS: Cognitive, mood, and balance variables were compared between LEV and placebo using a randomized, double-blind, placebo-controlled crossover study with two 5-week treatment periods. Healthy volunteers (n = 20) aged 65-80 (mean age 72.4) received either LEV or placebo in which the LEV target dose was 1,000 mg/day...
July 21, 2017: Epilepsia
https://www.readbyqxmd.com/read/28730563/functional-connectivity-and-cognitive-impairment-in-migraine-with-and-without-aura
#20
Viviana Lo Buono, Lilla Bonanno, Francesco Corallo, Laura Rosa Pisani, Riccardo Lo Presti, Rosario Grugno, Giuseppe Di Lorenzo, Placido Bramanti, Silvia Marino
BACKGROUND: Several fMRI studies in migraine assessed resting state functional connectivity in different networks suggesting that this neurological condition was associated with brain functional alteration. The aim of present study was to explore the association between cognitive functions and cerebral functional connectivity, in default mode network, in migraine patients without and with aura, during interictal episodic attack. METHODS: Twenty-eight migraine patients (14 without and 14 with aura) and 14 matched normal controls, were consecutively recruited...
December 2017: Journal of Headache and Pain
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